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Little Lady's Tresses

Spiranthes tuberosa Raf.

Comments

provided by eFloras
The nomenclatural history of Spiranthes tuberosa is rather complex, and among the names applied to it are Spiranthes beckii Lindley and Ibidium beckii (Lindley) House. See D. S. Correll (1950) for a discussion.

This species is easily recognized by its pure white flowers, broad crisped lip, and fugacious leaves.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 498, 531, 537 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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eFloras.org
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Description

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Plants 5–30 cm. Roots solitary, vertical, tuberous, turbinate, mostly to 1 cm diam. Leaves fugacious, 3–5, basal, spreading, oval-oblanceolate, 2–6 × 1–2 cm. Spikes loosely spiraled, 4–7 flowers per cycle of spiral; rachis glabrous. Flowers pure white, gaping from near middle, tubular portion less than 3 mm; sepals distinct to base, 5 × 1 mm; lateral sepals slightly spreading; petals linear to lance-oblong, 5 × 1 mm, apex acute to obtuse; lip 5 × 2.5 mm, ovate to oblong, apex dilated with broad crisped, finely lacerate margin; veins several, branches very short; basal calli long-pointed, mostly to 1 mm; viscidium linear-lanceolate; ovary mostly 3 mm. Seeds monoembryonic.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 498, 531, 537 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Distribution

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Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., W.Va.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 498, 531, 537 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Flowering/Fruiting

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Flowering Jun--Sep.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 498, 531, 537 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
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eFloras

Habitat

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Dry to open woods, outcrops, old fields, roadsides, cemeteries; 0--400m.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 498, 531, 537 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Spiranthes grayi Ames; S. simplex A. Gray; S. tuberosa var. grayi (Ames) Fernald
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 498, 531, 537 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Spiranthes tuberosa

provided by wikipedia EN

Spiranthes tuberosa, commonly called little lady's tresses, little pearl-twist and slender ladies'-tresses is an orchid species. It is a perennial plant native to North America.[1]

The basal leaves are short-lived, blooming plants having pure white flowers spirally arranged around the single-stemmed inflorescence; the plants grow in grasslands and open woods.[2]

Legal status

It is listed as a special concern in Connecticut,[3] as threatened in Florida, as exploitably vulnerable in New York (state), as extirpated in Pennsylvania, and as endangered in Rhode Island.[4]

References

  1. ^ a b "Plants Profile for Spiranthes tuberosa (little lady's tresses)". plants.usda.gov. Retrieved 24 January 2018.
  2. ^ Rhoads, Ann Fowler; Block, Timothy A. (2007-09-05). The Plants of Pennsylvania: An Illustrated Manual. University of Pennsylvania Press. ISBN 978-0-8122-4003-0.
  3. ^ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
  4. ^ "Plants Profile for Spiranthes tuberosa (little lady's tresses)". plants.usda.gov. Retrieved 24 January 2018.
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Spiranthes tuberosa: Brief Summary

provided by wikipedia EN

Spiranthes tuberosa, commonly called little lady's tresses, little pearl-twist and slender ladies'-tresses is an orchid species. It is a perennial plant native to North America.

The basal leaves are short-lived, blooming plants having pure white flowers spirally arranged around the single-stemmed inflorescence; the plants grow in grasslands and open woods.

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cc-by-sa-3.0
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Wikipedia authors and editors
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wikipedia EN